Finding the Fourth Proportional to 268,677.75, 370,775.28 and 147,816.44
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Solution
The fourth proportional to 268,677.75, 370,775.28 and 147,816.44 is: 203,986.68
Step by Step Solution
- Step 1: Write the proportion equation
268,677.75 : 370,775.28 = 147,816.44 : x - Step 2: Convert to fraction form
268,677.75/370,775.28 = 147,816.44/x - Step 3: Cross multiply
268,677.75x = 370,775.28 × 147,816.44 - Step 4: Simplify right side
268,677.75x = 54,806,681,929.60 - Step 5: Solve for x
x = 54,806,681,929.60/268,677.75 - Step 6: Final answer
x = 203,986.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.